Rising above the vast expanse of Israel’s Negev Desert, the Ashalim Solar Thermal Power Station has earned an unlikely nickname: the “Eye of Sauron”. Topped by a brilliantly glowing solar receiver that can be seen from kilometres away, and has even been described as visible from space, the 240-metre tower bears a striking resemblance to…

The pink light visible in recent timelapse footage from the International Space Station is not a camera effect or a reflection from Earth. Instead, it comes from a small plant-growing facility tucked inside the station’s Columbus laboratory, where astronauts have been tending crops as part of an ongoing experiment into how plants behave beyond our…

PC: W. M. Keck Observatory For decades, dark matter has been treated as the unseen framework around which galaxies take shape. Even the smallest galaxies are generally thought to be wrapped inside vast halos of it, with the invisible material outweighing the stars by a wide margin. That assumption has been challenged before by two…

Few natural experiences are as universally loved as the earthy scent that rises after the first drops of rain hit dry ground. Petrichor, what most people describe as the smell of fresh rain, but the rain itself has almost no scent. Instead, what your nose detects is a remarkable chemical called geosmin, produced by soil-dwelling…